Sunan al-Nasa'i #5008
Sahih (Authentic)
Remembrance
كَلِمَتَانِ خَفِيفَتَانِ عَلَى اللِّسَانِ ثَقِيلَتَانِ فِي الْمِيزَانِ حَبِيبَتَانِ إِلَى الرَّحْمَنِ سُبْحَانَ اللَّهِ وَبِحَمْدِهِ سُبْحَانَ اللَّهِ الْعَظِيمِ
The Messenger of Allah (ﷺ) said: 'Two words that are light on the tongue, heavy on the scale, and beloved to the Most Merciful: SubhanAllahi wa bihamdihi, SubhanAllahi al-Azeem.'
Chaîne de narration (Isnad)
Narrated Abu Huraira